Nick Moskovitz, an astronomer with the Lowell Observatory in Flagstaff, agreed that the meteor was rather small, despite the immense glow.

"The meteor is probably larger than a marble and smaller than a human," Moskovitz said. "Around a football size."

The meteor is believed to have left debris between Flagstaff and Phoenix east of Interstate 17, Moskovitz said.

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Wochit

Chance to see more meteors

Garvie said the meteor wasn't related to the Leonids meteor shower, an annual event that peaks this year on Friday night.

"It's just coincidental," he said, adding that meteors spotted during showers are tiny by comparison, the size of a grain of sand.

A moonless sky Friday should make for good viewing of the Leonids meteor shower this year. But it's not an especially plentiful shower. NASA predicts no more than 10 meteors an hour, and some will be faint, so you won't be able to see them all.

Some viewing tips from astronomers at ASU and the University of Arizona:

You don't need to focus your eyes on one specific area — meteors occur throughout the sky.

Shower activity is the greatest after midnight.

Get away from city lights, if you can. If you can't leave the city, find the darkest spot in your yard away from the glare of street- and house lights.

You don't need binoculars or a telescope. Using these devices can actually reduce the number of meteors you see because they focus on only part of the sky.

Be patient. Plan to spend at least an hour outside if you want to spot meteors.

Did you spot the fireball last night? Send your video to anne.ryman@arizonarepublic.com.